Mr Levesque, 65 Years Old, Has Been Living in Homeless

Mr. Levesque, 65 years old, has been living in homeless shelters for the last three years after having lost his job as a maintenance attendant at a local store. He suffers from alcoholism and appears malnourished upon arrival at the hospital, after falling on the sidewalk and injuring his left shoulder. When implementing a primary health care approach, what is the main principle the nurse should consider with this older adult?

A) Health promotion
B) Accessibility
C) Primary care
D) Public participation